QA Engineer - ETL Testing. QA | Automation Testing | Data Lake | Python or C# | AWS | Data Lake Salary: Up to £65,000 Benefits Location: Hybrid - in the London office 2 days per week Additional Information: Unfortunately we are unable to offer sponsorship for this role. Bonus Points: Please highlight on your profile where you have done ETL testing on data lakes. Senior QA Engineer required by an established Insurance firm in Central London. They have recently implemented a new Data Lake and a large focus of your work will be testing data ingestion and transformation processes. Successful applicants will have demonstrable experience testing Data Lakes using C# or Python. QA Engineers must have recent commercial experience working with either C# or Python. You will have good knowledge of SQL and AWS (specifically s3, Glue jobs, Step Functions, Cloudwatch logs for validation purpose.) QA Engineer Requirements: 5 years experience working as a QA Engineer. Strong experience testing Data Lakes and conducting ETL testing. Experience using C# or Python. Experience working with AWS Services (specifically s3, Glue jobs, Step Functions, Cloudwatch logs). We are happy to consider applicants who have been working with Azure or GCP. A good understanding of SQL (Queries / Logs).